Home / 413,158.89-619,738.47-132,872.97

Finding the Fourth Proportional to 413,158.89, 619,738.47 and 132,872.97

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Solution

The fourth proportional to 413,158.89, 619,738.47 and 132,872.97 is: 199,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,158.89 : 619,738.47 = 132,872.97 : x
  2. Step 2: Convert to fraction form
    413,158.89/619,738.47 = 132,872.97/x
  3. Step 3: Cross multiply
    413,158.89x = 619,738.47 × 132,872.97
  4. Step 4: Simplify right side
    413,158.89x = 82,346,491,132.16
  5. Step 5: Solve for x
    x = 82,346,491,132.16/413,158.89
  6. Step 6: Final answer
    x = 199,309.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.